(19)

(11)

EP 1 534 985 A2

(12)

(88) Date of publication A3: 01.07.2004 (43) Date of publication: 01.06.2005 Bulletin 2005/22 (21) Application number: 03761060.7 (22) Date of filing: 12.06.2003

(51) International Patent Classification (IPC)7: F16L 15/00 (86) International application number: PCT/US2003/018643 (87) International publication number: WO 2004/001266 (31.12.2003 Gazette 2004/01)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 21.06.2002 US 177310 (71) Applicant: MacLean-Fogg GmbH 65835 Liederbach (DE)	(72) Inventors: BREWER, Robert Westland, MI 48185 (US) JAKUSZESKI, Gerald Oxford, MI 48371 (US)